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| Core java - Interview Questions and Answers for 'Booking.com' - 5 question(s) found - Order By Newest | |||||||||||||||||||||||||||
 Very frequently asked. Favorite question in Walk in Drive of many Indian service companies. | |||||||||||||||||||||||||||
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| Ans. They are different the way their elements are stored in memory. TreeMap stores the Keys in order whereas HashMap stores the key value pairs randomly. | |||||||||||||||||||||||||||
 Sample Code for treemap Sample Code for hashmap | |||||||||||||||||||||||||||
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 Discuss Correct / Improve  java collections map treemap hashmap  Amber Road CTS (Cognizant) ION Trading DataMetica Accenture Accenture India The Advisory Board Company BidGely Infosys Tata Consultancy (TCS) HCL Technologies Wipro Booking.com MakeMyTrip Garena Online Garmin ION Trading Accuity Palantir Technologies Books International Wealthfront Marin Software Garmin IBM Global Logic Fiserv Cumulus Systems CCTS UST Global Cumulus Systems Apcolite  basic  frequent | |||||||||||||||||||||||||||
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| Frequently asked question for intermediate developers. | |||||||||||||||||||||||||||
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| Ans. Volatile is a declaration that a variable can be accessed by multiple threads and hence shouldnt be cached. | |||||||||||||||||||||||||||
| Sample Code for volatile | |||||||||||||||||||||||||||
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| Discuss Correct / Improve java oops synchronization volatile java keywords ABC Ltd Ciena Xchanging Square Infoview Technologies HCL Technologies EPAM GrubHub TeleMessage TRUSTe Informatica Square Medidata Solutions Yellow Pages eQ Technologic Sutra Analytics CustomerXPs Globant BB Holdings Rakuten Booking.com BlackRock Qualcomm LSI Corporation ARM Holdings SpaceX Toshiba Peapod Amadeus Apptio Tivo EchoStar HomeAway Syscom Technologies Aversan Symantec Samsung India Axtria Qualcomm CGI Group TrustArc Square intermediate frequent | |||||||||||||||||||||||||||
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| Ans. public void checkIfAnagram(String str1,String str2){ boolean anagram = true; for(char c:str1.toCharArray()){ if(!str2.contains(String.valueOf(c))){ System.out.println("Strings are Anagrams"); anagram = false; } if(anagram == true){ System.out.println("Strings are not Anagrams"); } } } | |||||||||||||||||||||||||||
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| Discuss Correct / Improve check if 2 strings are Anagrams Amazon DataMetica Hewlett Packard (HP) Opera Solutions AirWatch Booking.com JP Morgan Verdantis AppDynamics QSI Healthcare Vistaar Technologies Maventic 5AM Solutions Rare Mile Technologies Shutterfly Fiberlink Veeva Systems Flipkart eHarmony Splunk Zoho Betterment WisdmLabs Adap.tv Spotify Yahoo Wissen Infotech GlobalLogic Infinite Computer Solutions basic frequent | |||||||||||||||||||||||||||
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| Ans. This is the exception that is thrown when we try to modify the non concurrent collection class while iterating through it. | |||||||||||||||||||||||||||
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| Discuss Correct / Improve java collections concurrentmodificationexception exception concurrency Calypso Technology Deloitte IRIS Software Java R&D BNP Paribas Booking.com Aricent ThoughtWorks Prokarma Cassiopae India Prokarma India Synechron India Deloitte India Royal Bank of India (RBS) India intermediate | |||||||||||||||||||||||||||
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| This question was recently asked at 'Jetbro,Booking.com,Cloudera,UrjaNet,Wissen Infotech,ThoughtWorks,Capital One,Experian,Remaxys,MongoDB,One.com,Lime Brokerage,Netcracker Technology,Ooyala'.This question is still unanswered. Can you please provide an answer. | |||||||||||||||||||||||||||
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| Discuss Correct / Improve string code coding Jetbro Booking.com Cloudera UrjaNet Wissen Infotech ThoughtWorks Capital One Experian Remaxys MongoDB One.com Lime Brokerage Netcracker Technology Ooyala | |||||||||||||||||||||||||||
Which of the following collections stores its elements in natural sorting order ?
